DVD market

Sony said it booked an impairment charge of 112.1 billion yen ($976 million) on the goodwill value of its movie segment in the quarter ended December, as online streaming services sapped demand for movie DVDs.
The impairment charge came as Sony cut its outlook for profits from DVD, blu-ray discs and other home entertainment operations in line with a broader market decline, the company said in statement on Monday.
Sony has been working to revive its movie business. In November, the Japanese conglomerate's chief…